Buggy code:
public static native final boolean InsertMenuItemA ( int hMenu , int uItem , boolean fByPosition , MENUITEMINFO lpmii ) { } public static native final boolean InternetSetOption ( int hInternet , int dwOption , int lpBuffer , int dwBufferLength ) { } public static native final int IntersectClipRect ( int hdc , int nLeftRect , int nTopRect , int nRightRect , int nBottomRect ) { } public static native final boolean IntersectRect ( RECT lprcDst , RECT lprcSrc1 , RECT lprcSrc2 ) { } public static native final boolean InvalidateRect ( int hWnd , RECT lpRect , boolean bErase ) { } public static native final boolean InvalidateRgn ( int hWnd , int hRgn , boolean bErase ) { } public static native final boolean IsAppThemed ( ) { } public static native final boolean IsDBCSLeadByte ( byte TestChar ) { } public static native final boolean IsHungAppWindow ( int hWnd ) { } public static native final boolean IsIconic ( int hWnd ) { } public static native final boolean IsPPC ( ) { } public static native final boolean IsSP ( ) { } public static native final boolean IsWindowEnabled ( int hWnd ) { } public static native final boolean IsWindowVisible ( int hWnd ) { } public static native final boolean IsZoomed ( int hWnd ) { } public static native final boolean KillTimer ( int hWnd , int uIDEvent ) { } public static native final boolean LineTo ( int hdc , int x1 , int x2 ) { } public static native final int LoadBitmapW ( int hInstance , int lpBitmapName ) { } public static native final int LoadBitmapA ( int hInstance , int lpBitmapName ) { } public static native final int LoadCursorW ( int hInstance , int lpCursorName ) { } public static native final int LoadCursorA ( int hInstance , int lpCursorName ) { } public static native final int LoadIconW ( int hInstance , int lpIconName ) { } public static native final int LoadIconA ( int hInstance , int lpIconName ) { } public static native final int LoadImageW ( int hinst , char [ ] lpszName , int uType , int cxDesired , int cyDesired , int fuLoad ) { } public static native final int LoadImageA ( int hinst , byte [ ] lpszName , int uType , int cxDesired , int cyDesired , int fuLoad ) { } public static native final int LoadImageW ( int hinst , int lpszName , int uType , int cxDesired , int cyDesired , int fuLoad ) { } public static native final int LoadImageA ( int hinst , int lpszName , int uType , int cxDesired , int cyDesired , int fuLoad ) { } public static native final int LoadStringW ( int hinst , int uID , char [ ] lpBuffer , int nBufferMax ) { } public static native final int LoadStringA ( int hinst , int uID , byte [ ] lpBuffer , int nBufferMax ) { } public static native final int LoadLibraryW ( char [ ] lpLibFileName ) { } public static native final int LoadLibraryA ( byte [ ] lpLibFileName ) { } public static native final int LocalFree ( int hMem ) { } public static native final boolean LockWindowUpdate ( int hWndLock ) { } public static native final int MapVirtualKeyW ( int uCode , int uMapType ) { } public static native final int MapVirtualKeyA ( int uCode , int uMapType ) { } public static native final int MapWindowPoints ( int hWndFrom , int hWndTo , POINT lpPoints , int cPoints ) { } public static native final int MapWindowPoints ( int hWndFrom , int hWndTo , RECT lpPoints , int cPoints ) { } <START_BUG> public static native final boolean MCIWndRegisterClass ( int hInstance ) ; <END_BUG> public static native final boolean MessageBeep ( int uType ) { } public static native final int MessageBoxW ( int hWnd , char [ ] lpText , char [ ] lpCaption , int uType ) { } public static native final int MessageBoxA ( int hWnd , byte [ ] lpText , byte [ ] lpCaption , int uType ) { } public static native final int MonitorFromWindow ( int hwnd , int dwFlags ) { } public static native final void MoveMemory ( char [ ] Destination , int SourcePtr , int Length ) { } public static native final void MoveMemory ( byte [ ] Destination , int Source , int Length ) { } public static native final void MoveMemory ( byte [ ] Destination , ACCEL Source , int Length ) { } public static native final void MoveMemory ( byte [ ] Destination , BITMAPINFOHEADER Source , int Length ) { } public static native final void MoveMemory ( int [ ] Destination , int Source , int Length ) { } public static native final void MoveMemory ( int Destination , byte [ ] Source , int Length ) { } public static native final void MoveMemory ( int Destination , char [ ] Source , int Length ) { } public static native final void MoveMemory ( int Destination , int [ ] Source , int Length ) { } public static native final void MoveMemory ( int Destination , GRADIENT_RECT Source , int Length ) { } public static native final void MoveMemory ( int Destination , LOGFONTW Source , int Length ) { } public static native final void MoveMemory ( int Destination , LOGFONTA Source , int Length ) { } public static native final void MoveMemory ( int Destination , MEASUREITEMSTRUCT Source , int Length ) { } public static native final void MoveMemory ( int Destination , MINMAXINFO Source , int Length ) { } public static native final void MoveMemory ( int Destination , MSG Source , int Length ) { }

Fix:
public static native final boolean MCIWndRegisterClass ( ) ;